Portable storage device for cinema playback system



FIG. 1 is a right side perspective view of a portable storage device for cinema playback system, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings depict portions of the portable storage device for cinema playback system that form no part of the claimed design. 

CLAIM The ornamental design for a portable storage device for cinema playback system, as shown and described. 